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/***************************************************************************
* Copyright (c) 2004, 2005, 2006 Eike Stepper, Germany.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.net4j.util;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.Reader;
import java.io.Writer;
/**
* @author Eike Stepper
*/
public final class IOUtil
{
private static final InputStream IN = System.in;
private static final PrintStream OUT = System.out;
private static final PrintStream ERR = System.err;
private IOUtil()
{
}
public static InputStream IN()
{
return IN;
}
public static PrintStream OUT()
{
return OUT;
}
public static PrintStream ERR()
{
return ERR;
}
public static void print(Throwable t, PrintStream stream)
{
t.printStackTrace(stream);
}
public static void print(Throwable t)
{
print(t, ERR);
}
public static Exception closeSilent(InputStream stream)
{
try
{
if (stream != null)
{
stream.close();
}
return null;
}
catch (Exception ex)
{
return ex;
}
}
public static Exception closeSilent(OutputStream stream)
{
try
{
if (stream != null)
{
stream.close();
}
return null;
}
catch (Exception ex)
{
return ex;
}
}
public static Exception closeSilent(Reader reader)
{
try
{
if (reader != null)
{
reader.close();
}
return null;
}
catch (Exception ex)
{
return ex;
}
}
public static Exception closeSilent(Writer writer)
{
try
{
if (writer != null)
{
writer.close();
}
return null;
}
catch (Exception ex)
{
return ex;
}
}
}
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